Pith Number

pith:QD67OPHJ

pith:2019:QD67OPHJ7KHWDWLK7HRWMLJGZS

not attested not anchored not stored refs pending

The spiked matrix model with generative priors

Antoine Maillard, Benjamin Aubin, Bruno Loureiro, Florent Krzakala, Lenka Zdeborov\'a

arxiv:1905.12385 v2 · 2019-05-29 · math.ST · cs.LG · eess.SP · math.PR · stat.ML · stat.TH

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QD67OPHJ7KHWDWLK7HRWMLJGZS}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Cited by

1 paper in Pith

Concentration of the matrix-valued minimum mean-square error in optimal Bayesian inference

Receipt and verification

First computed	2026-07-05T00:51:51.771597Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

80fdf73ce9fa8f61d96af9e3662d26cc9c274c48d7922bc405032d9f3ac4b637

Aliases

arxiv: 1905.12385 · arxiv_version: 1905.12385v2 · doi: 10.48550/arxiv.1905.12385 · pith_short_12: QD67OPHJ7KHW · pith_short_16: QD67OPHJ7KHWDWLK · pith_short_8: QD67OPHJ

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/QD67OPHJ7KHWDWLK7HRWMLJGZS \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 80fdf73ce9fa8f61d96af9e3662d26cc9c274c48d7922bc405032d9f3ac4b637

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "21acad68c8babfb960b218526e581092ac8bb2808c8eb06e022729067ffc958c",
    "cross_cats_sorted": [
      "cs.LG",
      "eess.SP",
      "math.PR",
      "stat.ML",
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.ST",
    "submitted_at": "2019-05-29T12:47:05Z",
    "title_canon_sha256": "6750dea2e93b541abd7462f41c83499e72acf37d68b5aa8ee718b12b16060cf7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.12385",
    "kind": "arxiv",
    "version": 2
  }
}